2102021102012 has 24 divisors (see below), whose sum is σ = 3961937386176. Its totient is φ = 970056790848.

The previous prime is 2102021102011. The next prime is 2102021102017. The reversal of 2102021102012 is 2102011202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102021102011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1746983 + ... + 2693694.

It is an arithmetic number, because the mean of its divisors is an integer number (165080724424).

Almost surely, 2^{2102021102012} is an apocalyptic number.

It is an amenable number.

2102021102012 is a deficient number, since it is larger than the sum of its proper divisors (1859916284164).

2102021102012 is a wasteful number, since it uses less digits than its factorization.

2102021102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449797 (or 4449795 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102021102012 its reverse (2102011202012), we get a palindrome (4204032304024).

The spelling of 2102021102012 in words is "two trillion, one hundred two billion, twenty-one million, one hundred two thousand, twelve".